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Finding the Fourth Proportional to 654,986.82, 982,480.15 and 181,672.18

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Solution

The fourth proportional to 654,986.82, 982,480.15 and 181,672.18 is: 272,508.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,986.82 : 982,480.15 = 181,672.18 : x
  2. Step 2: Convert to fraction form
    654,986.82/982,480.15 = 181,672.18/x
  3. Step 3: Cross multiply
    654,986.82x = 982,480.15 × 181,672.18
  4. Step 4: Simplify right side
    654,986.82x = 178,489,307,746.85
  5. Step 5: Solve for x
    x = 178,489,307,746.85/654,986.82
  6. Step 6: Final answer
    x = 272,508.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.